\documentclass[tikz,border=0.1cm]{standalone}

\usepackage{tikz}
\usepackage{pgfplots}
\usepackage{amsmath}

\pgfplotsset{compat=newest}

\begin{document}

\newcommand{\power}{10}

\begin{tikzpicture}
\fontfamily{phv}
\scriptsize
\begin{axis}[
  height=5.5cm,
  width=5cm,
  axis x line=center,
  axis y line=center,
  xtick={-15,-5,5,15},
  xticklabels={11,10,4.0,5.0},
  ytick={20,60,100},
  yticklabels={},
  xgrid,
  xlabel style={below left},
  ylabel style={below right},
  xmin=-35,
  xmax=30,
  ymin=-5,
  ymax=130]
  
\node[] at (axis cs: -12,125) {MAPE};
\node[] at (axis cs: 12,125) {RMSE};

%% RMSE
\draw[draw=gray!60, fill=red!20] (0.5,20-14) rectangle (41.7-35,20-7-0.7);
\draw[draw=gray!60, fill=red!20] (0.5,20-14+40) rectangle (42.4-35,20-7+40-0.7);
\draw[draw=gray!60, fill=red!20] (0.5,20-14+80) rectangle (45.2-35,20-7+80-0.7);

\draw[draw=gray!60, fill=green!20] (0.5,20-7) rectangle (45.2-35,20-0.7);
\draw[draw=gray!60, fill=green!20] (0.5,20-7+40) rectangle (46.9-35,20+40-0.7);
\draw[draw=gray!60, fill=green!20] (0.5,20-7+80) rectangle (49.6-35,20+80-0.7);

\draw[draw=gray!60, fill=blue!20] (0.5,20) rectangle (43.8-35,20+7-0.7);
\draw[draw=gray!60, fill=blue!20] (0.5,20+40) rectangle (44.7-35,20+7+40-0.7);
\draw[draw=gray!60, fill=blue!20] (0.5,20+80) rectangle (45.5-35,20+7+80-0.7);

\draw[draw=gray!60, fill=yellow!20] (0.5,20+7) rectangle (46.5-35,20+14-0.7);
\draw[draw=gray!60, fill=yellow!20] (0.5,20+7+40) rectangle (51.2-35,20+14+40-0.7);
\draw[draw=gray!60, fill=yellow!20] (0.5,20+7+80) rectangle (53.7-35,20+14+80-0.7);


%% MAPE
\draw[draw=gray!60, fill=red!20] (-0.5,20-14) rectangle (-98.7+95,20-7-0.7);
\draw[draw=gray!60, fill=red!20] (-0.5,20-14+40) rectangle (-100.5+95,20-7+40-0.7);
\draw[draw=gray!60, fill=red!20] (-0.5,20-14+80) rectangle (-108.7+95,20-7+80-0.7);

\draw[draw=gray!60, fill=green!20] (-0.5,20-7) rectangle (-113.1+95,20-0.7);
\draw[draw=gray!60, fill=green!20] (-0.5,20-7+40) rectangle (-118.1+95,20+40-0.7);
\draw[draw=gray!60, fill=green!20] (-0.5,20-7+80) rectangle (-126.5+95,20+80-0.7);

\draw[draw=gray!60, fill=blue!20] (-0.5,20) rectangle (-103.3+95,20+7-0.7);
\draw[draw=gray!60, fill=blue!20] (-0.5,20+40) rectangle (-105.5+95,20+7+40-0.7);
\draw[draw=gray!60, fill=blue!20] (-0.5,20+80) rectangle (-107.7+95,20+7+80-0.7);

\draw[draw=gray!60, fill=yellow!20] (-0.5,20+7) rectangle (-106.5+95,20+14-0.7);
\draw[draw=gray!60, fill=yellow!20] (-0.5,20+7+40) rectangle (-111.7+95,20+14+40-0.7);
\draw[draw=gray!60, fill=yellow!20] (-0.5,20+7+80) rectangle (-117.1+95,20+14+80-0.7);

\addplot[mark=None, very thin, dashed] plot coordinates { (-5,0) (-5,115) };
\addplot[mark=None, very thin, dashed] plot coordinates { (5,0) (5,115) };


\end{axis}
\end{tikzpicture}

\end{document}